raumqari
raumqari raumqari
  • 11-05-2019
  • Mathematics
contestada

What is the measure of ∠A, to the nearest degree? 15 POINTS

a) 17°

b) 33°

c) 57°

d) 73°

What is the measure of A to the nearest degree 15 POINTS a 17 b 33 c 57 d 73 class=

Respuesta :

dstoyanov06p7vl9m dstoyanov06p7vl9m
  • 11-05-2019

Answer:

33 degrees

Step-by-step explanation

I used arcos, ∠A = arccos((a2 + b2 - c2)/2ab)

= 0.5795 rad = 33.203° = 33°12'11"

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imhayes
imhayes imhayes
  • 11-05-2019

b, 33 degrees is correct

Answer Link

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